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Almanac · Charleston, SC · Climate Almanac
📖 Climate Almanac

Charleston, SC

32.900°N, 80.041°W · station CHSthr · 1937–2026 · 90 years of record

The Almanac Ribbon

Every day of the year at Charleston: the record high and record low ever set (outer lines), the everyday normal range (shaded band), and the full record envelope behind it.
020406080100JanFebMarAprMayJunJulAugSepOctNovDeccoldestsince.com · hottestsince.com
Record high Record low Normal high–low band (1991–2020) hottest ever 105°F · coldest ever 6°F

Records by Month

MonthRecord highRecord low
Jan83°Jan 16, 19506°Jan 21, 1985
Feb87°Feb 16, 198912°Feb 12, 1973
Mar90°Mar 18, 196315°Mar 3, 1980
Apr95°Apr 20, 200229°Apr 6, 1944
May101°May 28, 201936°May 2, 1963
Jun103°Jun 24, 194450°Jun 2, 1972
Jul104°Jul 19, 198658°Jul 5, 1952
Aug105°Aug 1, 199956°Aug 18, 1979
Sep99°Sep 4, 194442°Sep 30, 1967
Oct94°Oct 5, 195427°Oct 30, 1952
Nov88°Nov 1, 196115°Nov 25, 1950
Dec83°Dec 11, 19728°Dec 13, 1962
All-time105°Aug 1, 19996°Jan 21, 1985

Longest-Standing Records

The daily records that have held the longest — set in the earliest years and never beaten since. Highs power Charleston on hottestsince.com; lows on coldestsince.com.

Oldest-standing record highs

DateRecordSetStanding
Mar 2586°193888yrs
May 394°193888yrs
May 1997°193888yrs
May 2099°193888yrs
May 2198°193888yrs
Sep 1394°193888yrs
Sep 898°193987yrs
Sep 997°193987yrs
Oct 2187°193987yrs
Oct 2587°193987yrs
Oct 2687°193987yrs
Oct 2786°193987yrs

Oldest-standing record lows

DateRecordSetStanding
Mar 2830°193789yrs
Apr 1235°193789yrs
Oct 2334°193789yrs
Oct 2431°193789yrs
Nov 2024°193789yrs
Nov 2123°193789yrs
Dec 523°193789yrs
Dec 615°193789yrs
Dec 720°193789yrs
Jul 659°193888yrs
Jul 759°193888yrs
Sep 2149°193888yrs

All-Time Extremes

Hottest ever

105°F
1999-08-01

Coldest ever

6°F
1985-01-21

Longest heat streak

42 days
≥ 90°F · ended 1993-08-07

The Warming Trend

Charleston's annual mean temperature, each year a stripe — blue below the 1991–2020 average, red above.
1937: 66.8°F (+0.1 vs 1991–2020)1938: 66.1°F (-0.6 vs 1991–2020)1939: 65.5°F (-1.2 vs 1991–2020)1940: 62.6°F (-4.1 vs 1991–2020)1941: 64.8°F (-1.9 vs 1991–2020)1942: 65.3°F (-1.4 vs 1991–2020)1943: 64.4°F (-2.3 vs 1991–2020)1944: 64.7°F (-2.0 vs 1991–2020)1945: 65.8°F (-0.9 vs 1991–2020)1946: 66.3°F (-0.4 vs 1991–2020)1947: 64.5°F (-2.2 vs 1991–2020)1948: 65.2°F (-1.5 vs 1991–2020)1949: 66.7°F (-0.0 vs 1991–2020)1950: 65.4°F (-1.3 vs 1991–2020)1951: 65.0°F (-1.7 vs 1991–2020)1952: 65.5°F (-1.2 vs 1991–2020)1953: 65.8°F (-0.9 vs 1991–2020)1954: 65.6°F (-1.1 vs 1991–2020)1955: 64.7°F (-2.0 vs 1991–2020)1956: 65.0°F (-1.7 vs 1991–2020)1957: 64.9°F (-1.8 vs 1991–2020)1958: 63.1°F (-3.6 vs 1991–2020)1959: 64.5°F (-2.2 vs 1991–2020)1960: 63.7°F (-3.0 vs 1991–2020)1961: 64.6°F (-2.1 vs 1991–2020)1962: 64.2°F (-2.5 vs 1991–2020)1963: 64.3°F (-2.4 vs 1991–2020)1964: 65.2°F (-1.5 vs 1991–2020)1965: 64.8°F (-1.9 vs 1991–2020)1966: 63.6°F (-3.1 vs 1991–2020)1967: 64.4°F (-2.3 vs 1991–2020)1968: 63.5°F (-3.2 vs 1991–2020)1969: 63.0°F (-3.7 vs 1991–2020)1970: 64.9°F (-1.8 vs 1991–2020)1971: 65.9°F (-0.8 vs 1991–2020)1972: 65.5°F (-1.2 vs 1991–2020)1973: 66.1°F (-0.6 vs 1991–2020)1974: 65.8°F (-0.9 vs 1991–2020)1975: 66.4°F (-0.3 vs 1991–2020)1976: 63.8°F (-2.9 vs 1991–2020)1977: 65.5°F (-1.2 vs 1991–2020)1978: 65.1°F (-1.6 vs 1991–2020)1979: 64.8°F (-1.9 vs 1991–2020)1980: 64.7°F (-2.0 vs 1991–2020)1981: 64.4°F (-2.3 vs 1991–2020)1982: 65.7°F (-1.0 vs 1991–2020)1983: 64.8°F (-1.9 vs 1991–2020)1984: 65.7°F (-1.0 vs 1991–2020)1985: 66.6°F (-0.1 vs 1991–2020)1986: 67.6°F (+0.9 vs 1991–2020)1987: 65.7°F (-1.0 vs 1991–2020)1988: 64.8°F (-1.9 vs 1991–2020)1989: 66.8°F (+0.1 vs 1991–2020)1990: 69.3°F (+2.6 vs 1991–2020)1991: 67.6°F (+0.9 vs 1991–2020)1992: 65.9°F (-0.8 vs 1991–2020)1993: 66.2°F (-0.5 vs 1991–2020)1994: 66.8°F (+0.1 vs 1991–2020)1995: 66.4°F (-0.3 vs 1991–2020)1996: 64.9°F (-1.8 vs 1991–2020)1997: 65.3°F (-1.4 vs 1991–2020)1998: 67.9°F (+1.2 vs 1991–2020)1999: 66.2°F (-0.5 vs 1991–2020)2000: 65.0°F (-1.7 vs 1991–2020)2001: 66.1°F (-0.6 vs 1991–2020)2002: 66.7°F (-0.0 vs 1991–2020)2003: 65.7°F (-1.0 vs 1991–2020)2004: 66.0°F (-0.7 vs 1991–2020)2005: 66.0°F (-0.7 vs 1991–2020)2006: 66.7°F (-0.0 vs 1991–2020)2007: 67.2°F (+0.5 vs 1991–2020)2008: 66.2°F (-0.5 vs 1991–2020)2009: 66.0°F (-0.7 vs 1991–2020)2010: 65.6°F (-1.1 vs 1991–2020)2011: 67.3°F (+0.6 vs 1991–2020)2012: 67.4°F (+0.7 vs 1991–2020)2013: 66.7°F (+0.0 vs 1991–2020)2014: 66.9°F (+0.2 vs 1991–2020)2015: 67.9°F (+1.2 vs 1991–2020)2016: 68.4°F (+1.7 vs 1991–2020)2017: 68.3°F (+1.6 vs 1991–2020)2018: 67.9°F (+1.2 vs 1991–2020)2019: 68.1°F (+1.4 vs 1991–2020)2020: 68.2°F (+1.5 vs 1991–2020)2021: 66.6°F (-0.1 vs 1991–2020)2022: 67.1°F (+0.4 vs 1991–2020)2023: 68.7°F (+2.0 vs 1991–2020)2024: 68.6°F (+1.9 vs 1991–2020)2025: 66.9°F (+0.2 vs 1991–2020)19372025annual mean temperature · warmer ▲ redder

Days Above / Below the Mark

74 days ≥90°F in 2026 · normal 58 · record 98 in 2016
25 days ≤32°F in 2026 · normal 30 · record 68 in 1968

The Full Record

Every day of the year, record and normal high & low with the year each record was set. Type to filter, click a column to sort.
Show me the data — the full daily record
DateRec HighYrNorm HiNorm LoRec LowYr
Jan 180°195261°40°22°2001
Jan 281°201761°40°19°1940
Jan 380°195261°40°19°1940
Jan 477°195061°40°17°2018
Jan 579°199361°40°14°2018
Jan 678°195562°40°17°1999
Jan 780°199161°40°17°2014
Jan 881°200561°40°16°1970
Jan 979°202661°40°11°1970
Jan 1079°194961°40°12°1970
Jan 1182°194961°40°10°1982
Jan 1281°201361°39°15°1981
Jan 1380°201761°39°13°1981
Jan 1480°202061°39°19°2011
Jan 1579°200760°39°17°1948
Jan 1683°195060°39°18°1972
Jan 1778°194960°39°17°1959
Jan 1879°201760°39°19°1959
Jan 1978°194960°39°16°1976
Jan 2079°201760°38°17°1940
Jan 2180°195460°38°6°1985
Jan 2280°199960°38°14°1985
Jan 2380°197460°38°19°1985
Jan 2479°195060°38°17°2003
Jan 2582°194960°38°16°1963
Jan 2683°202460°38°20°1940
Jan 2782°195060°38°14°1940
Jan 2881°195760°39°12°1940
Jan 2979°194760°39°14°1940
Jan 3080°195060°39°11°1966
Jan 3181°197561°39°15°1966
Feb 182°200261°39°20°2026
Feb 281°195061°39°19°1980
Feb 384°198961°40°21°1940
Feb 483°195761°40°19°1951
Feb 581°201262°40°16°1996
Feb 678°201962°40°19°1966
Feb 784°202562°40°19°1978
Feb 880°201962°40°17°1977
Feb 984°202562°40°19°1947
Feb 1081°195962°40°20°1979
Feb 1180°202062°40°16°1973
Feb 1279°199963°41°12°1973
Feb 1378°197663°41°22°1955
Feb 1482°196264°41°18°1968
Feb 1582°198964°42°15°1943
Feb 1687°198964°42°19°1991
Feb 1779°197664°42°15°1958
Feb 1883°195665°43°14°1958
Feb 1983°195665°43°20°1958
Feb 2082°199165°43°18°2015
Feb 2183°202365°43°22°1942
Feb 2282°199166°44°24°2020
Feb 2386°202266°44°22°1978
Feb 2486°202366°44°21°1939
Feb 2586°201866°44°18°1967
Feb 2683°199667°44°14°1967
Feb 2784°196267°44°22°1967
Feb 2886°196267°44°21°2002
Feb 2986°202367°44°23°2002
Mar 185°199767°44°25°1941
Mar 285°197667°44°22°1980
Mar 386°197667°44°15°1980
Mar 485°199768°44°21°1980
Mar 583°202668°45°24°1960
Mar 687°202368°45°21°1960
Mar 786°197468°45°22°1960
Mar 887°197469°45°28°1947
Mar 990°197469°46°25°1996
Mar 1089°202669°46°27°1969
Mar 1189°196769°46°27°1969
Mar 1288°195570°47°22°1998
Mar 1385°194270°47°26°1960
Mar 1487°196770°47°24°1960
Mar 1587°194270°48°24°2017
Mar 1689°194570°48°28°1954
Mar 1790°196370°48°28°1941
Mar 1885°196371°48°30°1941
Mar 1988°198271°48°30°1939
Mar 2090°201771°49°29°1981
Mar 2188°201171°49°28°1965
Mar 2290°202672°49°27°1956
Mar 2386°194572°50°31°1943
Mar 2489°200772°50°31°1960
Mar 2586°193872°50°24°1947
Mar 2689°202673°50°26°1955
Mar 2788°201773°50°32°1940
Mar 2887°198573°51°30°1937
Mar 2988°195474°51°31°1941
Mar 3088°195474°51°31°1964
Mar 3186°197474°52°27°1964
Apr 190°200674°52°36°1942
Apr 293°194675°52°31°2021
Apr 391°196375°52°33°1971
Apr 489°197875°52°34°1975
Apr 590°196775°53°35°1944
Apr 692°196776°53°29°1944
Apr 790°199976°53°30°2007
Apr 890°201176°53°38°1952
Apr 990°197876°53°33°1972
Apr 1090°199976°53°30°1972
Apr 1187°199376°54°30°1960
Apr 1290°200176°54°35°1937
Apr 1388°200677°54°34°1940
Apr 1492°200677°54°33°1950
Apr 1592°196777°55°32°1962
Apr 1691°196777°55°34°1962
Apr 1792°196778°55°35°2001
Apr 1891°199578°56°35°1983
Apr 1995°200278°56°31°1983
Apr 2094°200278°56°34°1953
Apr 2191°200278°56°37°1950
Apr 2292°196378°56°37°1940
Apr 2391°195879°56°35°1982
Apr 2492°195879°57°37°1974
Apr 2592°198979°57°43°1974
Apr 2694°198979°58°41°2001
Apr 2793°194280°58°40°1967
Apr 2892°197080°58°36°1967
Apr 2991°198180°58°39°1940
Apr 3093°198680°59°41°2008
May 195°199080°59°36°1963
May 293°195981°59°40°1939
May 394°193881°60°38°1939
May 495°201481°60°40°1940
May 593°201282°60°37°1940
May 695°195282°61°43°1940
May 793°198682°61°45°1989
May 895°196382°61°45°1954
May 993°196382°61°42°1977
May 1096°195583°62°42°1977
May 1194°201883°62°41°1947
May 1295°200083°62°44°1941
May 1395°200083°62°42°1941
May 1497°199583°63°46°1952
May 1594°194183°63°47°1939
May 1696°196384°63°49°1967
May 1794°194484°63°49°1984
May 1896°196084°64°49°1970
May 1997°193884°64°43°1976
May 2099°193884°64°45°2002
May 2198°193885°65°48°1954
May 2297°201485°65°47°1954
May 2397°195385°66°50°1954
May 2497°195385°66°47°1951
May 25100°201986°66°50°1979
May 26100°201986°66°52°1961
May 27101°201986°67°45°1961
May 28101°201986°67°53°1961
May 2999°201986°68°55°1946
May 3098°195387°68°54°1946
May 3198°194587°68°49°1984
Jun 1101°200287°68°51°1966
Jun 299°198587°68°50°1972
Jun 3100°200087°68°55°1972
Jun 4100°194387°69°55°1946
Jun 5100°194387°69°53°1946
Jun 696°198688°69°55°1946
Jun 798°198688°69°53°1998
Jun 899°194788°70°55°1976
Jun 997°194188°70°56°1977
Jun 1098°196388°70°52°1960
Jun 1198°202688°70°54°1988
Jun 1299°201188°70°50°1972
Jun 1399°201088°70°57°1988
Jun 1498°198189°70°55°1959
Jun 15100°198189°71°55°1955
Jun 16101°198189°71°59°1961
Jun 1798°201689°71°57°1974
Jun 18100°194489°71°54°1961
Jun 19102°201189°71°60°1961
Jun 20102°201189°71°60°1966
Jun 2198°201189°72°56°1966
Jun 2299°195490°72°57°1947
Jun 23100°194490°72°56°1947
Jun 24103°194490°72°58°1947
Jun 2599°195290°72°62°1946
Jun 26101°195290°72°61°1940
Jun 27100°195290°72°62°2012
Jun 2899°195990°72°60°1981
Jun 29100°199890°73°58°1970
Jun 30100°197090°73°61°1940
Jul 198°197090°73°61°1940
Jul 299°199691°73°62°1988
Jul 398°199391°73°61°2010
Jul 4100°199391°73°59°1947
Jul 5100°199091°73°58°1952
Jul 699°195491°73°59°1938
Jul 7100°198691°74°59°1938
Jul 8103°198691°74°60°1951
Jul 9100°198691°74°59°1972
Jul 10102°198691°74°62°1963
Jul 11100°198691°74°62°1963
Jul 12101°198691°74°63°1974
Jul 13101°198691°74°62°1974
Jul 1499°198692°74°65°1940
Jul 15100°198392°74°63°1967
Jul 1699°198392°74°64°1946
Jul 17101°198692°74°59°1946
Jul 18104°198692°74°64°1987
Jul 19104°198691°74°66°1987
Jul 20101°197792°74°64°1957
Jul 21101°197792°74°64°1965
Jul 2299°201592°74°60°1966
Jul 23100°198392°74°63°1944
Jul 24101°194091°74°63°1944
Jul 2599°201091°74°67°1959
Jul 26100°200591°74°68°1947
Jul 27101°194991°74°65°1954
Jul 28100°199391°74°63°1954
Jul 29100°199991°74°67°1954
Jul 30101°199991°74°63°1997
Jul 31105°199991°74°64°1966
Aug 199°195491°74°63°1966
Aug 297°197991°74°60°1965
Aug 398°195491°74°65°1959
Aug 4100°195491°74°66°1985
Aug 599°198791°74°62°1951
Aug 6100°200890°74°62°1948
Aug 799°199990°74°59°1948
Aug 899°196890°74°59°2004
Aug 999°198790°74°63°1950
Aug 1096°195490°74°61°1944
Aug 1198°195790°74°58°1944
Aug 12100°199590°74°61°1979
Aug 13102°199590°74°61°1979
Aug 1497°202690°74°63°1967
Aug 1599°195490°74°64°1964
Aug 16102°195490°73°62°1979
Aug 17101°199590°73°56°1979
Aug 1898°198390°73°61°1965
Aug 1997°195490°73°63°1943
Aug 20100°198389°73°62°1961
Aug 21100°198389°73°63°1953
Aug 2299°201489°73°62°1953
Aug 2398°196889°73°61°1953
Aug 2498°196889°73°60°1997
Aug 2597°195489°73°60°1942
Aug 2699°195489°72°60°1952
Aug 2798°199089°72°60°1986
Aug 2897°199088°72°57°1986
Aug 2995°199888°72°59°1986
Aug 3097°195488°72°61°1999
Aug 3195°194888°72°56°1999
Sep 195°194488°71°57°1946
Sep 297°194488°71°57°1954
Sep 397°194488°71°60°1997
Sep 499°194487°71°52°1997
Sep 599°194487°71°54°1997
Sep 697°194487°70°58°1997
Sep 796°199087°70°59°1972
Sep 898°193987°70°55°1966
Sep 997°193987°70°54°1966
Sep 1095°198386°70°51°1956
Sep 1194°199186°69°49°1956
Sep 1293°196386°69°52°1976
Sep 1394°193886°69°52°1985
Sep 1495°199186°69°51°1967
Sep 1596°198086°68°53°1967
Sep 1697°198086°68°54°2001
Sep 1796°194285°68°55°2001
Sep 1898°194285°68°51°1981
Sep 1998°194285°68°53°1981
Sep 2094°199085°68°52°1962
Sep 2196°199084°67°49°1938
Sep 2295°194084°67°46°1999
Sep 2395°198084°66°44°1967
Sep 2495°198084°66°51°1981
Sep 2594°198083°66°50°1950
Sep 2694°198683°65°49°1940
Sep 2795°201783°65°49°1940
Sep 2892°194183°65°46°1942
Sep 2992°197382°64°42°1967
Sep 3091°194482°64°44°2001
Oct 193°198682°64°43°1946
Oct 293°198681°64°42°1974
Oct 394°201981°63°37°1974
Oct 494°195481°63°42°1974
Oct 593°195480°62°46°2010
Oct 691°195180°62°44°1978
Oct 790°194480°62°41°1938
Oct 890°200980°61°40°1978
Oct 990°200980°61°39°2000
Oct 1091°201479°60°35°2000
Oct 1188°198079°60°39°2000
Oct 1289°201479°59°41°2000
Oct 1388°194379°59°41°2006
Oct 1488°202478°58°39°1988
Oct 1590°201878°58°38°1978
Oct 1690°201878°57°35°1939
Oct 1791°197277°57°37°1943
Oct 1888°198077°56°37°2022
Oct 1987°195077°56°34°1981
Oct 2088°199377°56°37°1948
Oct 2187°193976°55°33°1974
Oct 2286°194176°55°33°1974
Oct 2387°194276°54°34°1937
Oct 2488°200176°54°31°1937
Oct 2587°193976°54°33°1962
Oct 2687°193975°54°33°1962
Oct 2786°193975°53°33°1962
Oct 2885°194074°53°31°1967
Oct 2985°194974°53°27°1976
Oct 3087°196174°52°27°1952
Oct 3188°196174°52°32°1954
Nov 187°196173°52°32°1939
Nov 285°197273°51°27°1954
Nov 387°197273°51°27°1966
Nov 487°200372°50°30°1966
Nov 587°200372°50°31°1939
Nov 685°202271°49°26°1939
Nov 785°198671°49°24°1967
Nov 885°202470°49°24°1967
Nov 984°199470°48°25°1976
Nov 1086°194670°48°29°1943
Nov 1184°198970°48°27°1943
Nov 1282°198969°47°29°1941
Nov 1382°197869°47°27°1977
Nov 1483°195569°47°27°1969
Nov 1585°195869°47°27°1969
Nov 1682°196068°46°22°1940
Nov 1786°197868°46°28°1943
Nov 1883°194268°46°23°2014
Nov 1982°194168°46°25°1951
Nov 2083°197368°46°24°1937
Nov 2183°194268°46°23°1937
Nov 2283°194168°46°24°2000
Nov 2382°197368°46°21°1970
Nov 2482°197368°46°15°1950
Nov 2582°194668°45°19°1950
Nov 2686°197367°45°26°1939
Nov 2781°199067°45°21°1938
Nov 2882°198567°45°20°1938
Nov 2983°198567°44°22°1959
Nov 3082°199166°44°23°1955
Dec 180°201566°44°24°1947
Dec 279°198266°44°23°1964
Dec 380°198265°43°17°1960
Dec 481°201365°43°21°1960
Dec 582°201364°43°23°1937
Dec 681°195164°43°15°1937
Dec 782°197864°43°20°1937
Dec 881°195164°42°19°2006
Dec 980°194363°42°22°1968
Dec 1082°197263°42°18°1981
Dec 1183°197263°42°14°1962
Dec 1280°197163°42°8°1962
Dec 1380°195663°42°19°1960
Dec 1480°197162°42°15°1962
Dec 1581°197163°42°16°1943
Dec 1680°194862°42°18°1955
Dec 1777°195662°42°17°1943
Dec 1882°196762°42°16°1953
Dec 1981°196762°41°14°1981
Dec 2080°201362°41°15°1981
Dec 2181°201362°41°19°1989
Dec 2282°201362°41°17°1989
Dec 2380°201562°41°16°1989
Dec 2480°201562°41°11°1983
Dec 2581°201562°41°11°1983
Dec 2679°202561°41°22°1983
Dec 2782°201561°41°24°2004
Dec 2880°202161°41°22°1977
Dec 2982°201561°41°23°1952
Dec 3079°198461°40°21°1961
Dec 3178°198461°40°20°2000
Forecast & records → Charleston station On This Day → national almanac
Data: NOAA/NWS Threaded Extremes (threadex) · normals 1991–2020 · part of Weather Trader